<html>
<head>
    <title>hello world</title>
</head>
<body>
    <img src="banner_5_3_a.png">
    <img src="banner_5_3_a.png" width="600" height="352" border="2">
    <img src="banner_5_3.png" alt="图片不存在">
</body>
<html>